Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.53°F
12°C
| Humidity | 83% |
| Wind Speed | SW 3 mph |
| Barometer | 29.85 in (1010.8 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 4 Nov 9:53 pm CST |
Extended Forecast for
Collinsville IL
Tonight
Low: 46 °F
Mostly Clear
Thursday
High: 61 °F
Increasing
CloudsThursday Night
Low: 46 °F
Slight Chance
Rain then
Mostly CloudyFriday
High: 54 °F
Partly Sunny
Friday Night
Low: 35 °F
Mostly Clear
Saturday
High: 54 °F
Sunny
Saturday Night
Low: 34 °F
Mostly Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 37 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 46. Southwest wind around 7 mph.
Thursday
Increasing clouds, with a high near 61. West wind 6 to 13 mph.
Thursday Night
A slight chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 46. West wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 54. North wind 8 to 13 mph.
Friday Night
Mostly clear, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 43.
Veterans Day
Sunny, with a high near 66.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Collinsville IL
38.68°N 89.97°W (Elev. 502 ft)
38.68°N 89.97°W (Elev. 502 ft)
9:46 pm CST Nov 4, 2026
10pm CST Nov 4, 2026-6pm CST Nov 11, 2026
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